Robert D. Stedtfeld

Diverse and abundant antibiotic resistance genes in Chinese swine farms

Yong‐Guan Zhu, Timothy A. Johnson, Jian-Qiang Su et al. · Proceedings of the National Academy of Sciences · 2013 · 2.4K citations · Full text

Life Sciences, Animal Sciences, Microbiology +14

In-feed antibiotic effects on the swine intestinal microbiome

Torey Looft, Timothy A. Johnson, Heather K. Allen et al. · Proceedings of the National Academy of Sciences · 2012 · 1.1K citations · Full text

Life Sciences, Microbiology, Veterinary Microbiology +12

Antibiotic resistance in European wastewater treatment plants mirrors the pattern of clinical antibiotic resistance prevalence

Katariina Pärnänen, Carlos Narciso‐da‐Rocha, David Kneis et al. · Science Advances · 2019 · 586 citations · Full text

Life Sciences, Microbiology, Antimicrobial Resistance +12

Clusters of Antibiotic Resistance Genes Enriched Together Stay Together in Swine Agriculture

Timothy A. Johnson, Robert D. Stedtfeld, Qiong Wang et al. · mBio · 2016 · 240 citations · Full text

Life Sciences, Genetics, Microbiology +15

High-throughput quantification of antibiotic resistance genes from an urban wastewater treatment plant

Antti Karkman, Timothy A. Johnson, Christina Lyra et al. · FEMS Microbiology Ecology · 2016 · 238 citations · Full text

Life Sciences, Genetics, Microbiology +17